//*****************************************************************************
// Do not remove this notice.
//
// Copyright 2001 by Mike Hall.
// Some changes by Jeff Pectol
// See http://www.brainjar.com for terms of use.
//*****************************************************************************

function containsDOM (container, containee) {
  var isParent = false;
  do {
    if ((isParent = container == containee))
      break;
    containee = containee.parentNode;
  }
  while (containee != null);
  return isParent;
}

function checkMouseEnter (element, evt) {
  if (element.contains && evt.fromElement) {
    return !element.contains(evt.fromElement);
  }
  else if (evt.relatedTarget) {
    return !containsDOM(element, evt.relatedTarget);
  }
}

function checkMouseLeave (element, evt) {
  if (element.contains && evt.toElement) {
    return !element.contains(evt.toElement);
  }
  else if (evt.relatedTarget) {
    return !containsDOM(element, evt.relatedTarget);
  }
}

function findPosXold(obj)
{
var curleft = 0;
if(obj.offsetParent)
    while(1) 
    {
      curleft += obj.offsetLeft;
      if(!obj.offsetParent)
        break;
      obj = obj.offsetParent;
    }
else if(obj.x)
    curleft += obj.x;
return curleft;
}

function findPosX(elementId)
{

var element = elementId;
//var element = document.getElementById(elementId);
var left = 0;
	
if (element != null)
{
    // Try because sometimes errors on offsetParent after DOM changes.
    //alert(element.Parent);
    try
    {
        var cancel = false;
        var doScroll = false;
        while (element.offsetParent && !cancel)
        {
            // While we haven't got the top element in the DOM hierarchy
            // Add the offsetLeft
            left += element.offsetLeft;
            // If my parent scrolls, then subtract the left scroll position
            if (element.offsetParent.scrollLeft) {left -= element.offsetParent.scrollLeft; }
            
            if(element.offsetParent.style.left){
                //alert(element.offsetParent.style.left + " " + left);
                //left = left + parseInt(element.offsetParent.style.left)((browser.isOpera || browser.isIE)? document.documentElement.scrollLeft : window.scrollX);
                //cancel = true;
                doScroll = true;
            }
	        //alert("here");
            // Grab
            element = element.offsetParent;
        }
         if(doScroll)
            left = left + ((browser.isOpera || browser.isIE)? document.documentElement.scrollLeft : window.scrollX);
    }
    catch (e)
    {
        // Do nothing
    }
	
    // Add the top element left offset and the windows left scroll and subtract the body's client left position.
    left += element.offsetLeft + ((browser.isOpera || browser.isIE)? document.body.scrollLeft - document.body.clientLeft : window.scrollX);

}
return left;
}


function findPosYold(obj)
{
var curtop = 0;
if(obj.offsetParent)
    while(1)
    {
      curtop += obj.offsetTop;
      if(!obj.offsetParent)
        break;
      obj = obj.offsetParent;
    }
else if(obj.y)
    curtop += obj.y;
return curtop;
}

function findPosY(elementId)
{

//var element = document.getElementById(elementId);
var element = elementId;
var top = 0;
	
if (element != null)
{
    // Try because sometimes errors on offsetParent after DOM changes.
    try
    {
        var cancel = false;
        var doScroll = false;
        while (element.offsetParent && !cancel)
        {
	
            //alert(element.offsetParent.style.top);
            if(element.offsetParent.style.top){
                //top = top + parseInt(element.offsetParent.style.top) + ((browser.isOpera || browser.isIE)? document.documentElement.scrollTop : window.scrollY);
                //alert(parseInt(element.offsetParent.style.top) + " - " + top + " - " + element.offsetParent.id + " - " + document.documentElement.scrollTop);
                //cancel = true;
                doScroll = true;
            }
            // Add the offsetTop
            top += element.offsetTop;
	        
            // Grab
            element = element.offsetParent;
            // If my parent scrolls, then subtract the top scroll position
            if (element.scrollTop) { top -= element.scrollTop; }
        }
        if(doScroll)
            top = top + ((browser.isOpera || browser.isIE)? document.documentElement.scrollTop : window.scrollY);
        if (browser.isNS){
               var fudge = $get("ctl00_MainContent_ItemDetails1_boxx");
               if(fudge)
                top -= fudge.scrollTop;
            }
            
    }
    catch (e)
    {
        // Do nothing
    }
    // Add the top element topoffset and the windows topscroll and subtract the body's client top position.
    top += element.offsetTop + ((browser.isOpera || browser.isIE)? document.body.scrollTop - document.body.clientTop : window.scrollY);
    //alert(document.body.clientTop);
}
return top;
}

// Determine browser and version.
function Browser() {

  var ua, s, i;

  this.isIE    = false;
  this.isNS    = false;
  this.isOpera = false;
  this.version = null;

  ua = navigator.userAgent;
  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0 && ua.indexOf('Opera') < 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
  s = "Opera";
 if ((i = ua.indexOf(s)) >= 0) {
    this.isOpera = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }
  
}

var browser = new Browser();

// Global object to hold drag information.

var dragObj = new Object();
dragObj.zIndex = 0;

function getCoords(event){
  var x, y;
  // Get cursor position with respect to the page.
  
  if (browser.isOpera) {
    x = window.event.clientX + document.documentElement.scrollLeft;
      //+ document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop;
      //+ document.body.scrollTop;
  }
  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  return(x + "," + y);
}
function dragStart(event, id) {
    //alert('here');
  var el;
  var x, y;

  // If an element id was given, find it. Otherwise use the element being
  // clicked on.

  if (id)
    dragObj.elNode = document.getElementById(id);
  else {
    if (browser.isIE)
      dragObj.elNode = window.event.srcElement;
    if (browser.isNS)
      dragObj.elNode = event.target;

    // If this is a text node, use its parent element.

    if (dragObj.elNode.nodeType == 3)
      dragObj.elNode = dragObj.elNode.parentNode;
  }

  // Get cursor position with respect to the page.
  if (browser.isOpera) {
    x = window.event.clientX + document.documentElement.scrollLeft;
      //+ document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop;
      //+ document.body.scrollTop;
  }
  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Save starting positions of cursor and element.

  dragObj.cursorStartX = x;
  dragObj.cursorStartY = y;
  dragObj.elStartLeft  = parseInt(dragObj.elNode.style.left, 10);
  dragObj.elStartTop   = parseInt(dragObj.elNode.style.top,  10);

  if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 0;
  if (isNaN(dragObj.elStartTop))  dragObj.elStartTop  = 0;

  // Update element's z-index.

  dragObj.elNode.style.zIndex = ++dragObj.zIndex;

  // Capture mousemove and mouseup events on the page.

  if (browser.isIE) {
    document.attachEvent("onmousemove", dragGo);
    document.attachEvent("onmouseup",   dragStop);
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS) {
    document.addEventListener("mousemove", dragGo,   true);
    document.addEventListener("mouseup",   dragStop, true);
    event.preventDefault();
  }
}

function dragGo(event) {

  var x, y;

  // Get cursor position with respect to the page.
  if (browser.isOpera) {
    x = window.event.clientX + document.documentElement.scrollLeft;
      //+ document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop;
      //+ document.body.scrollTop;
  }
  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Move drag element by the same amount the cursor has moved.

  dragObj.elNode.style.left = (dragObj.elStartLeft + x - dragObj.cursorStartX) + "px";
  dragObj.elNode.style.top  = (dragObj.elStartTop  + y - dragObj.cursorStartY) + "px";

  if (browser.isIE) {
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS)
    event.preventDefault();
}

function dragStop(event) {

  // Stop capturing mousemove and mouseup events.

  if (browser.isIE) {
    document.detachEvent("onmousemove", dragGo);
    document.detachEvent("onmouseup",   dragStop);
  }
  if (browser.isNS) {
    document.removeEventListener("mousemove", dragGo,   true);
    document.removeEventListener("mouseup",   dragStop, true);
  }
}
//onmousedown="dragStart(event, 'boxC')"